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About Warnings WARNING: A WARNING indicates a potential for property damage, personal injury, or death. Dell™ OptiPlex™ 780 Setup and Features Information Tech Sheet Front and Back View — Desktop optical drive USB 2.0 connectors (2) power button, power light...
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cooling vents padlock ring back panel connectors Front and Back View — Mini-Tower optical drive optical drive bay (optional) USB 2.0 connectors (2) power button, power light headphone connector network connectivity light back panel connectors cooling vents cover release latch cover release latch power connector expansion card slots (3)
Front and Back View — Small Form Factor optical drive USB 2.0 connectors (2) diagnostic lights (4) power button, power light headphone connector cover release latch power connector expansion card slots (2) optical drive eject button network connectivity light drive activity light microphone connector Media Card Reader (optional) padlock ring...
Back Panel Connectors — Desktop, Mini-Tower, and Small Form Factor parallel connector link integrity light network activity light line-in/microphone connector VGA connector DisplayPort connector Quick Setup WARNING: Before you begin any of the procedures in this section, read the safety information that shipped with your computer.
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1 Connect the monitor using only one of the following cables: a The blue VGA cable c The VGA cable to a DVI adapter e The DisplayPort cable g The VGA cable to DisplayPort Adapter b The white DVI cable d The dual monitor Y-adapter cable f The DVI cable to DisplayPort adapter...
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2 Connect the USB keyboard or mouse (optional). 4 Connect the modem (optional). 6 Press the power buttons on the monitor and the computer. 3 Connect the network cable (optional). 5 Connect the power cable(s).
Specifications NOTE: The following specifications are only those required by law to ship with your computer. For a complete and current listing of the specifications for your computer, go to support.dell.com. System Information Chipset Processor Processor Video Video type: Integrated...
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Off (no light) — The computer is not detecting a physical connection to the network. Four lights located on the front panel of the computer. For more information on the diagnostic lights, see the Service Manual available on the Dell Support website at support.dell.com/manuals.
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Desktop — 955 BTU/hr Small Form Factor — 938 BTU/hr Mini-Tower — 90–265 VAC, 50/60 Hz Desktop — 90–265 VAC, 50/60 Hz Small Form Factor — 90–265 VAC, 50/60 Hz 3V CR2032 lithium coin cell Mini-Tower — 40.80 cm (16.10 inches) Desktop —...
Reproduction of these materials in any manner whatsoever without the written permission of Dell Inc. is strictly forbidden. Trademarks used in this text: Dell, the DELL logo, and OptiPlex are trademarks of Dell Inc.; Intel, Pentium, and Celeron are registered trademarks and Core is a trademark of Intel Corporation in the U.S.